there were 5% of the violence in the united states can be attributed to people with mental illness. so, are we putting a little too much attention on this when they're committing a very small amount of violence and they find that drug and alcohol abuse is far more likely to result in violent behavior than having mental illness? >> look. there's no question that the president's focus and the national focus on access to guns is the most important thing we can do to reduce the, you know, the outlier that the u.s. is in terms of gun violence compared to every other advanced nation. having said that, if you care about the mass tragedies which we have opposed to urban gun violence we see on the streets of chicago that the president is equally and rightly concerned about, it's hard not to look at an agenda for mental illness and i think what the governor in colorado is trying to promote on that side may point the way in a right direction. but also may be that there aren't full answers in a society to these problems but i think we got to try. >> i think an agenda for mental illness isn't ju